A randomized 25 question test from a pool of 761 questions, good luck!
From the answers below, chooses the best answer that does not affect the transmission of a signal with metal wire or cable.
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the coils register addresses?
Which of the answers is not an disadvantage of analog field communication? Choose the best answer from those below.
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is low cost with high data throughputs, but must have security measures installed to protect the data?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
Which of the answers below best represents one of the recommended standards in regards to Instrumentation?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the system where data is collected and organized?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
Which of the network components below would commonly be used as a protocol converter and communication signal converter?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should comprise no more than 30% of the total configured alarms?
Which of the signalling methods below best represent the one used by Foundation fieldbus H1 for transmission?
There are several fields in an Ethernet message frame structure. Which of the answers represent the total amount of fields in an Ethernet message frame?
Which of the recommended standards below is best describes as a DTE to DCE connection only?
Data communication in a DCS takes the form of various net works. Which of the networks below are redundant networks for controller connections?
There are numerous threats to the security of a DCS. Which of the security measures below requires a login to a user account?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is used for schools, small localized businesses, and shopping malls?
Which of the answers below best represents the recommended standard that uses a balanced transmission system?
Subnet masks in IPv4 are used to divide an existing network. A class B network with 2 nodes, one with an IP address of 128.0.0.1 and a mask of 255.255.0.0. Which of the answers below reflects the address the other node must have for the two nodes to communicate?
A media access control address is the name of the physical address that the Ethernet uses. Which of the answers represent the number of bytes that make up this MAC?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a DeviceNet protocol?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Mark"?
History management stores an enormous amount of process data. Which of the answers below represents the amount of different types of data stored?
Historical data can be logged through a HMI application. Which of the data storage methods below would best be described as one that looses resolution of the data, although reduces the volume of data?
Twisted pair to fiber optic is the best example of which of the following converters?